SMSC LPC47M997

LPC47M997
LPC Super I/O with
Hardware Monitoring
Block
Data Brief
Product Features
ƒ
ƒ
LPC Interface
ƒ
ACPI 1.0/2.0 Compliant
ƒ
ƒ
3.3 Volt Operation (SIO Block is 5 Volt Tolerant)
Fan Control
− Fan Speed Control Outputs (2)
− Fan Tachometer Inputs (2)
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Programmable Wake-up Event Interface
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PC98, PC99, PC01 Compliant
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Dual Game Port Interface
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MPU-401 MIDI Support
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General Purpose Input/Output Pins (37)
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ISA Plug-and-Play Compatible Register Set
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Intelligent Auto Power Management
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System Management Interrupt
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−
−
−
−
−
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2.88MB Super I/O Floppy Disk Controller
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ƒ
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Sophisticated Power Control Circuitry (PCC)
Including Multiple Powerdown Modes for
Reduced Power Consumption
Infrared Port
Multiprotocol Infrared Interface
IrDA 1.0 Compliant
SHARP ASK IR
480 Addresses, Up to 15 IRQ
Multi-Mode Parallel Port with ChiProtect
Standard Mode IBM PC/XT, PC/AT, and PS/2
Compatible Bi-directional Parallel Port
− Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
− IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
− ChiProtect Circuitry for Protection
− 960 Address, Up to 15 IRQ and Three DMA Options
Enhanced Digital Data Separator
− 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps
Data Rates
− Programmable Precompensation Modes
SMSC LPC47M997
Serial Ports
−
−
−
−
− DMA Enable Logic
− Data Rate and Drive Control Registers
− 480 Address, Up to 15 IRQ and Three DMA Options
ƒ
8042 Software Compatible
8 Bit Microcomputer
2k Bytes of Program ROM
256 Bytes of Data RAM
Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
Asynchronous Access to Two Data Registers and
One Status Register
Supports Interrupt and Polling Access
8 Bit Counter Timer
Port 92 Support
Fast Gate A20 and KRESET Outputs
− Two Full Function Serial Ports
− High Speed 16C550A Compatible UARTs with
Send/Receive 16-Byte FIFOs
− Supports 230k and 460k Baud
− Programmable Baud Rate Generator
− Modem Control Circuitry
− 480 Address and 15 IRQ Options
− Licensed CMOS 765B Floppy Disk Controller
− Software and Register Compatible with SMSC's
Proprietary 82077AA Compatible Core
− Supports Two Floppy Drives
− Configurable Open Drain/Push-Pull Output Drivers
− Supports Vertical Recording Format
− 16-Byte Data FIFO
− 100% IBM Compatibility
− Detects All Overrun and Underrun Conditions
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Keyboard Controller
−
−
−
−
−
Page 1
PRODUCT PREVIEW
Rev. 01-12-07
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LPC Interface
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Phoenix Keyboard BIOS ROM
− Multiplexed Command, Address and Data Bus
− Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
− PME Interface
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128 Pin QFP, lead-free RoHS compliant
package, 3.2mm footprint
Hardware Monitor
− Monitor Power supplies (+2.5V, +3.3V, +5V, +12V,
+1.8V, +1.5V, Vccp (processor voltage), and VCC or
HVSB)
− Remote Thermal Diode Sensing for Two External
Temperature Measurements
− Internal Ambient Temperature Measurement
− Limit Comparison of all Monitored Values
− System Management Bus (SMBus) Interface
− THERM# Pin for out-of-limit Temperature or Voltage
Indication
− RESET# Pin for generating 20msec Low Reset
Pulse
− Configurable offset for internal or external
temperature channels
ORDERING INFORMATION
Order Number:
LPC47M997-NW for 128 pin, QFP lead-free RoHS compliant package
Rev. 01-12-07
Page 2
PRODUCT PREVIEW
SMSC LPC47M997
80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123
Copyright © 2007 SMSC or its subsidiaries. All rights reserved.
Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete
information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no
responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without
notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information
does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of
SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC's
standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or
errors known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon
request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure
could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC
and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms
of Sale Agreement, may be obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered trademark of Standard Microsystems
Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders.
SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND
ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY
DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR
REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT; TORT; NEGLIGENCE OF SMSC
OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO
HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
SMSC LPC47M997
Page 3
PRODUCT PREVIEW
Rev. 01-12-07
CLK32
CLOCKI
2nd Infrared Port
CLOCK
GEN
Game Port
Fan Control
LED2*
LED1*
FAN_TACH2*
FAN2*
FAN_TACH1*
FAN1*
J1X, J1Y*
J2X, J2Y*
J2B1, J2B2*
J1B1, J1B2*
IRTX2*
IRRX2*
Block Diagram
LEDs
PD[7,0]
SER_IRQ
PCI_CLK
SERIAL
IRQ
LAD[3:0]
LFrame
LDRQ
Multi-Mode
Parallel Port
with
ChiProtectTM /
FDC MUX
(see LPC47B27x)
Internal Bus
(Data, Address, and Control lines)
LPC
Bus Interface
Busy, Slct, PE,
ERROR, ACK
STROBE, INIT, SLCTIN,
ALF
PCI_RESET
TXD1, RXD1
LPCPD
IO_PME*
IO_SMI*
LPC47M997
(128 QFP)
Power Mgmt
GP1[0:7]*
GP2[0:2,4:7]*
GP3[0:7]*, GP4[0:3]*
GP5[0:7]*, GP6[0:1]*
High-Speed
16550A
UART
PORT 1
General
Purpose
I/O
DSR1, DTR1
DCD1, RI1
TXD2 (IRTX)*,
RXD2 (IRRX)*
High-Speed
16550A
UART
PORT 2
SDA
SCL
CTS1, RTS1
SMBus
VID0
CTS2*, RTS2 *
DSR2*, DTR2*
DCD2*, RI2*
VID1
WDATA
VID2
VID3
+5V_IN
+3.3V_IN
MIDI_IN*
WCLOCK
12V_IN/VID4
Hardware
Monitoring
DIGITAL DATA
SEPARATOR
WITH WRITE
PRECOMPENSATION
SMC PROPRIETARY
82077 COMPATIBLE
VERTICAL
FLOPPYDISK
CONTROLLER CORE
+2.5V_IN
+1.8V_IN
+1.5V_IN
MPU-401
Serial Port
KCLK, MCLK
KDATA, MDATA
Keyboard/Mouse
8042
controller
Vccp_IN
RCLOCK
HVCC
HVSS
MIDI_OUT*
GateA20*
KRESET*
P12*, P16*, P17*
RDATA
A0/RESET#/THERM#/
XNOR_OUT
RDATA, WDATA
MTR0, MTR1*,TRK0,
INDEX, WRTPRT
WGATE, HDSEL
DRVDEN0*, DRVDEN1*
DIR, STEP,
DSKCHG, DS0, DS1*
D0-
D0+
D1-
D1+
Note 1: This diagram does not show power and ground
connections.
Note 2: Functions with "*" are located on multifunctional pins.
This diagram is designed to show the various functions
available on the chip (not pin layout).
Figure 1 - LPC47M997 Block Diagram
Rev. 01-12-07
Page 4
PRODUCT PREVIEW
SMSC LPC47M997
Package Outline
Figure 2 - 128 PIN QFP Package Outline, 14x20x2.7 Body, 3.2 mm Footprint
Table 1 - 128 PIN QFP Package Parameters
NOMINAL
MAX
REMARKS
~
3.4
Overall Package Height
~
0.5
Standoff
~
3.05
Body Thickness
23.20
23.40
X Span
20.00
20.10
X body Size
17.20
17.40
Y Span
14.00
14.10
Y body Size
~
0.20
Lead Frame Thickness
0.88
1.03
Lead Foot Length
1.60
~
Lead Length
0.50 Basic
Lead Pitch
~
7o
Lead Foot Angle
~
0.30
Lead Width
~
~
Lead Shoulder Radius
~
0.30
Lead Foot Radius
~
0.08
Coplanarity
MIN
~
A
0.05
A1
2.55
A2
23.00
D
19.90
D1
17.00
E
13.90
E1
0.09
H
0.73
L
~
L1
e
o
0
θ
0.10
W
0.08
R1
0.08
R2
~
ccc
Notes:
1. Controlling Unit: millimeter.
2. Tolerance on the position of the leads is ± 0.04 mm maximum.
3. Package body dimensions D1 and E1 do not include the mold protrusion.
Maximum mold protrusion is 0.25 mm.
4. Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane.
5. Details of pin 1 identifier are optional but must be located within the zone indicated.
SMSC LPC47M997
Page 5
PRODUCT PREVIEW
Rev. 01-12-07